BaseMemoryLib: Add missing ASSERT()s for some interfaces.

BaseTimerLibLocalApic: Add missing EBC architecture support. Note that this instance is a dummy one since EBC does not support local APIC timer. 
IoLibDxeCpuIo: Add alignment checking & unsupported width checking by using ASSERT()s.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@311 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa

@@ -49,6 +49,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
       <Filename>Ipf/ReadItc.s</Filename>
       <Filename>Ipf/IpfTimerLib.c</Filename>
     </Arch>
+    <Arch ArchType="EBC">
+      <Filename>Ebc/EbcTimerLib.c</Filename>
+    </Arch>
   </SourceFiles>
   <Includes>
     <PackageName>MdePkg</PackageName>